YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.73 | 75.94 | 53.89 | b | 52.58 | 66.79 | h | |||
1957 | 46.97 | 58.68 | 54.86 | b | 61.47 | 69.26 | 82.60 | 91.06 | 88.42 | 80.40 | 66.26 | 49.97 | 57.03 | 67.25 | ||||||||||||
1958 | 47.48 | 48.36 | 40.06 | 62.00 | 77.68 | 86.67 | 87.26 | 90.00 | 83.70 | 70.65 | 61.00 | 50.71 | 67.13 | |||||||||||||
1959 | 43.84 | 49.96 | 57.84 | 66.70 | 76.94 | 88.00 | 89.06 | 87.77 | 79.87 | 65.87 | 57.28 | a | 49.10 | 67.69 | ||||||||||||
1960 | 41.10 | 35.52 | 53.77 | 70.20 | 76.35 | 88.10 | 89.03 | 91.61 | 81.17 | 68.90 | 58.47 | 43.65 | 66.49 | |||||||||||||
1961 | 47.97 | 50.54 | 55.23 | 66.53 | 78.13 | 85.70 | 87.35 | 86.84 | 79.07 | 71.16 | 47.03 | a | 45.10 | 66.72 | ||||||||||||
1962 | 40.97 | 54.43 | 56.61 | 67.23 | 81.84 | 82.07 | 88.10 | 92.84 | 81.53 | 75.10 | 58.13 | 52.71 | 69.30 | |||||||||||||
1963 | 40.23 | 54.86 | 60.61 | 73.03 | 81.64 | f | 88.33 | 95.07 | a | 88.94 | 83.40 | 77.84 | 61.97 | 43.55 | 69.80 | a | ||||||||||
1964 | 50.19 | 39.03 | 53.84 | 67.07 | 79.19 | 85.63 | 93.81 | 89.35 | 79.80 | 73.23 | 56.23 | 47.84 | 67.93 | |||||||||||||
1965 | 51.84 | 49.54 | 47.10 | 71.07 | 78.45 | 80.30 | 88.42 | 84.71 | 75.50 | 71.39 | 62.33 | 52.52 | 67.76 | |||||||||||||
1966 | 40.19 | 43.57 | 62.68 | 68.48 | a | 80.10 | 87.13 | 92.52 | 83.39 | 79.93 | 70.06 | 61.33 | 46.87 | 68.02 | ||||||||||||
1967 | 51.29 | 53.29 | 66.68 | 73.10 | 73.48 | 82.73 | 86.26 | 84.06 | 78.77 | 74.94 | 58.50 | 42.45 | 68.80 | |||||||||||||
1968 | 50.35 | 51.31 | 60.13 | 66.53 | 71.84 | 89.33 | 88.26 | 85.97 | 83.27 | 75.19 | 53.97 | 45.71 | 68.49 | |||||||||||||
1969 | 53.97 | 52.18 | 44.13 | 68.33 | 75.10 | 80.47 | 91.03 | 88.94 | 79.97 | 59.00 | 56.53 | 48.06 | 66.48 | |||||||||||||
1970 | 47.45 | 57.29 | 50.16 | 65.60 | 80.35 | 86.50 | 90.55 | 89.39 | 80.77 | 62.23 | 57.73 | 53.13 | 68.43 | |||||||||||||
1971 | 49.03 | a | 47.86 | 60.90 | 64.50 | 73.00 | 88.63 | 88.26 | 84.23 | 78.13 | 68.52 | 55.83 | 46.84 | 67.14 | ||||||||||||
1972 | 50.00 | 56.07 | 68.13 | 71.07 | a | 74.06 | 85.63 | 87.32 | 84.32 | 79.23 | 67.84 | 45.03 | 41.81 | 67.54 | ||||||||||||
1973 | 41.39 | 50.79 | 52.39 | 58.67 | 71.87 | 85.53 | 86.81 | 90.65 | 75.07 | 72.84 | 59.63 | 47.87 | 66.12 | |||||||||||||
1974 | 42.19 | 55.07 | 64.00 | 69.45 | a | 82.52 | 86.57 | 91.94 | 83.42 | 76.23 | 72.40 | a | 57.10 | 46.94 | 68.98 | |||||||||||
1975 | 48.58 | 47.68 | 57.61 | 65.97 | 75.23 | 82.87 | 87.32 | 89.19 | 79.30 | 75.03 | 53.90 | 50.84 | 67.79 | |||||||||||||
1976 | 48.71 | 57.86 | 59.81 | 67.53 | 71.39 | 85.27 | 88.45 | 86.39 | 78.50 | 63.74 | 54.47 | 50.42 | 67.71 | |||||||||||||
1977 | 44.52 | 54.39 | 57.32 | 67.07 | a | 76.35 | 88.20 | 91.32 | 88.71 | 84.23 | 74.81 | 59.97 | 54.19 | 70.09 | ||||||||||||
1978 | 37.42 | 38.57 | 61.03 | 71.43 | 72.03 | 85.72 | a | 94.42 | 88.58 | 81.90 | 72.97 | 53.70 | 43.03 | 66.73 | ||||||||||||
1979 | 33.06 | 51.07 | 57.39 | 67.60 | 70.61 | 84.27 | 88.48 | 87.65 | 83.80 | 74.97 | 47.97 | 52.90 | 66.65 | |||||||||||||
1980 | 40.19 | 50.59 | 55.16 | 62.17 | 69.90 | 90.03 | 96.19 | 90.10 | 83.30 | 71.16 | 58.33 | 55.10 | 68.52 | |||||||||||||
1981 | 52.81 | 56.54 | 58.29 | 75.00 | 72.52 | 91.33 | 90.29 | 82.94 | 82.10 | 68.26 | 61.47 | 50.97 | 70.21 | |||||||||||||
1982 | 50.58 | 46.61 | 59.29 | 68.37 | 75.03 | 81.10 | 89.48 | 89.16 | 81.57 | 68.03 | 55.59 | a | 47.90 | 67.73 | ||||||||||||
1983 | 46.00 | 48.61 | 53.26 | 59.90 | 71.71 | 84.83 | a | 94.32 | 94.39 | 88.83 | 73.53 | a | 57.37 | 35.06 | 67.32 | |||||||||||
1984 | 42.58 | 51.45 | 54.19 | 62.66 | a | 76.90 | 86.13 | 91.26 | 89.55 | 80.43 | 62.58 | 59.37 | 51.29 | 67.37 | ||||||||||||
1985 | 42.61 | 48.96 | 59.43 | a | 72.23 | 77.83 | a | 89.17 | 92.42 | 90.39 | 80.23 | 70.65 | 52.73 | 45.20 | a | 68.49 | ||||||||||
1986 | 60.71 | 54.39 | 67.13 | 73.25 | b | 78.35 | 85.40 | 92.61 | 89.10 | 80.27 | 66.63 | a | 55.90 | 44.26 | 70.67 | |||||||||||
1987 | 45.81 | 50.14 | 54.68 | 69.17 | 76.52 | 87.50 | 95.29 | 89.06 | 80.67 | 74.48 | 56.07 | 45.45 | 68.74 | |||||||||||||
1988 | 40.65 | 51.71 | a | 59.81 | 69.83 | 77.00 | 89.76 | a | 95.26 | 94.48 | 81.73 | 72.87 | 60.93 | 51.97 | a | 70.50 | ||||||||||
1989 | 53.45 | 41.18 | 69.48 | 74.57 | 79.87 | 81.23 | 92.13 | 89.90 | 80.73 | 73.52 | 63.20 | 45.48 | 70.40 | |||||||||||||
1990 | 48.58 | 46.89 | 58.87 | 72.07 | 77.52 | 96.67 | 90.61 | 89.61 | 85.80 | 74.74 | 62.87 | 44.55 | 70.73 | |||||||||||||
1991 | 41.58 | 59.25 | 62.10 | 70.17 | 84.32 | 91.30 | 91.45 | 89.52 | 82.30 | 73.77 | 49.73 | 46.61 | 70.18 | |||||||||||||
1992 | 49.55 | 55.59 | 63.39 | 75.80 | 80.27 | a | 82.87 | 90.32 | 86.58 | 84.61 | b | 75.00 | 46.38 | a | 44.62 | b | 69.58 | |||||||||
1993 | 43.32 | c | 49.37 | a | 59.57 | c | 71.39 | b | 77.65 | 88.57 | 96.45 | 91.53 | a | 81.86 | a | 70.24 | b | 53.90 | a | 51.26 | 69.59 | |||||
1994 | 47.52 | 53.07 | 65.87 | 74.00 | a | 79.39 | 95.90 | 96.39 | 89.39 | 80.80 | 69.87 | a | 55.33 | 51.42 | 71.58 | |||||||||||
1995 | 48.48 | 56.86 | 59.42 | 65.20 | 70.57 | a | 81.33 | 90.74 | 96.10 | 82.27 | 73.87 | 63.67 | 47.77 | 69.69 | ||||||||||||
1996 | 47.48 | 55.79 | 59.19 | 71.17 | 85.65 | 86.83 | 90.10 | 87.58 | 78.30 | 71.65 | 57.31 | a | 51.06 | 70.18 | ||||||||||||
1997 | 46.45 | 47.18 | 66.29 | 60.30 | 78.13 | 86.40 | 94.68 | 86.66 | b | 85.13 | 68.13 | 50.30 | 37.03 | 67.22 | ||||||||||||
1998 | 48.52 | 50.36 | 54.52 | 65.23 | 73.60 | u | 94.05 | k | 91.58 | g | ----- | z | 87.27 | o | 75.85 | k | 67.07 | p | 51.25 | c | 53.97 | g | ||||
1999 | 52.26 | d | 62.89 | a | 58.55 | b | 63.76 | a | 72.65 | 87.86 | h | 92.00 | e | 92.28 | f | 78.37 | 70.38 | g | 66.85 | c | 52.94 | 66.70 | c | |||
2000 | 51.20 | f | 60.24 | 56.45 | 69.28 | e | 83.85 | e | 86.00 | c | 91.74 | ----- | z | 86.30 | 73.71 | j | 49.44 | e | 45.05 | k | 72.91 | d | ||||
2001 | 44.06 | 45.85 | b | 54.84 | f | 72.59 | a | 75.03 | a | 88.54 | f | 96.14 | i | 91.69 | b | 86.30 | g | 74.38 | j | 60.89 | c | 54.73 | e | 63.55 | e | |
2002 | 48.37 | d | 51.93 | a | 61.24 | f | 72.52 | a | 79.78 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.15 | h |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.45 | 51.16 | 58.12 | 68.29 | 76.50 | 86.40 | 91.07 | 88.64 | 81.22 | 70.95 | 56.44 | 48.26 | 68.45 | |||||||||||||
S.D. | 5.09 | 5.70 | 5.96 | 4.29 | 4.05 | 3.65 | 2.86 | 3.02 | 2.82 | 4.18 | 4.98 | 4.64 | 1.43 | |||||||||||||
SKEW | -0.03 | -0.59 | -0.64 | -0.37 | 0.17 | 0.62 | 0.27 | 0.11 | 0.21 | -0.89 | -0.39 | -0.58 | 0.34 | |||||||||||||
MAX | 60.71 | 62.89 | 69.48 | 75.80 | 85.65 | 96.67 | 96.45 | 96.10 | 88.83 | 77.84 | 66.85 | 57.03 | 71.58 | |||||||||||||
MIN | 33.06 | 35.52 | 40.06 | 58.67 | 69.26 | 80.30 | 86.26 | 82.94 | 75.07 | 59.00 | 45.03 | 35.06 | 66.12 | |||||||||||||
YRS | 45 | 46 | 44 | 46 | 44 | 42 | 43 | 42 | 44 | 42 | 45 | 45 | 40 |